Separate timing. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. 2-Wire Installation Wall-Mounted 7 Day Programmable 3 Pre-Set Programmes 1, 2 or 3 On / Off Periods per Day Boost Facility Holiday Mode...

Designed to provide automatic time and temperature control of heating systems in homes and apartments. Compatible with 24-230V on/off appliances such as gas boilers, combi-boilers and heat pumps. Suitable for zone valve applications but not with electric...

Sophisticated, wireless heating system can create and individually control up to 12 heating zones in domestic properties. Each zone has separate time and temperature settings. Will also wirelessly control domestic hot water and a mixture of radiator and...

Designed for field replacement of heads for 2-port motorised valves. This positive head can be used to replace the removable valve heads without any system drainage. Straightforward installation using only 2 screws and 2 locating pegs to connect the heads...

Simplifies temperature scheduling, offering a high level of usability and automated control. Intuitive screen interface offers easy and optimal heating adjustment. Automated modulation control improves energy efficiency and optimisation features learn...

Simplifies temperature scheduling, offering a high level of usability and automated control. Intuitive screen interface offers easy and optimal heating adjustment. Automated modulation control improves energy efficiency and optimisation features learn...

10-way junction box with strain relief on all entries. For use on various central heating wiring applications. Complies with electrical approvals and wiring specifications. Plastic Construction Optimal Terminal Sizing

For use in conjunction with Honeywell Home Evohome Thermostat Pack. Hot water control kit consisting of a wireless cylinder thermostat, transceiver, optional unvented cylinder insertion sensor and an additional wireless BDR relay box to control a 2-port...

22mm compression connection. 5-wire installation. Spring-Return Action Uni-Directional Valve Body 5-Wire Installation 5 to 88°C Flow Temperature Manual Lever for Filling or Draining Down Cable Length: 1m Valve Opens to Port B in 8 Seconds (under Spring...

Electronic sensing element. Wireless. Override facility. Holiday mode. Automatic BST/GMT time change. For adding a room thermostat to a traditional system. 5-35°C Temperature Range Suitable for All Boilers Thermostat Programmer 7 Day, 5/2 Day or 24...